The scientific name is cumulonimbus flammagenitus, but the more common nickname is ‘fire cloud.’ NASA calls them the “fire-breathing dragon of clouds,” according to their website. One of the largest ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. In these ...

NORFOLK, Va. — Technically called “cumulonimbus flammagenitus,” pyrocumulonimbus clouds are a rare weather phenomenon caused by intense heat. These towering clouds form when extreme heat from a ...

CALIFORNIA is in the midst of record-breaking blazes as the Mendocino wildfire bears down on the Golden State, destroying homes and killing a firefighter. The fire is now so large that it has managed ...